/**
* Copyright (c) 2010, Attila Magyar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the Attila Magyar nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package org.uftp.parsers;

import org.uftp.*;
import org.uftp.log.FTPLogManager;
import org.uftp.log.FTPLogger;

public class ReplyParser {
    
    private static FTPLogger logger = FTPLogManager.getDefaultLogger( ReplyParser.class.getName() );
    
    public ReplyParser() {
    }

    public FTPReply parse(String reply) throws InvalidReplyException {
        reply = reply.trim();
        int code = -1;
        try {
            code = Integer.parseInt( reply.substring(0, 3) );
        }
        catch ( NumberFormatException e ) {
            logger.exception( e, "Can not convert reply code in string: " + reply );
        }
        String text = "";
        if ( reply.length() > 3) {
            text = reply.substring(4);
        }
        return new FTPReply( text, code );
    }
}
